SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ham-satellite-uplink-excess-power

What is the impact of using too much effective radiated power on a satellite uplink?

It blocks access for other users.

Start playing free

  1. Blocking access by other users ✔
  2. Overloading the satellite batteries
  3. Rebooting the satellite control computer

Why: A satellite shares its limited power among everyone using it. One overly loud station hogs that power and drowns the others out.

Huh, didn't know that: Excessive uplink power can block other operators even when your own signal sounds strong.

The dad joke
Don't shout at satellites. They're already up in space, they can hear you fine.
Like this card?
Play the game

References

Answer: Blocking access by other users. A satellite shares its limited power among everyone using it. One overly loud station hogs that power and drowns the others out.

  1. NCVEC 2026-2030 Technician Question Pool (February 19, 2026 errata) ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    B. Blocking access by other users
    Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Ham RadioHow can you tell your uplink power into a linear transponder satellite is about right?Ham RadioWhat is the maximum PEP output for a Technician in their HF band segments?Ham RadioExcept for special cases, what is the max PEP output for Technicians above 30 MHz?

That's stuff everyone should know.